The seventh planet in the solar system â and the smallest of the gas giants â Uranus has an atmosphere more comparable with Neptune than with Saturn and Jupiter. Known as ice giants, the two most distant planets from the sun have atmospheres that are heavily dominated by ices.
PDCA (plan-do-check-act, sometimes seen as plan-do-check-adjust) is a repetitive four-stage model for continuous improvement in business process management. The PDCA model is also known as the Deming circle/cycle/wheel, Shewhart cycle, control circle/cycle, or planâdoâstudyâact (PDSA).
PDCA is based on the âShewhart cycle,â and was made popular by Dr. W. Edwards Deming, considered by many to be the father of modern quality control.3 During his lectures in Japan in the early 1950s, Deming noted that the Japanese participants shortened the cycleâs steps to the now traditional plan, do, check and act. It is interesting to note that Deming preferred plan, do, study, act because the translation of study from Japanese to